1 /* 2 * QEMU USB HID devices 3 * 4 * Copyright (c) 2005 Fabrice Bellard 5 * Copyright (c) 2007 OpenMoko, Inc. (andrew@openedhand.com) 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 #include "qemu/osdep.h" 26 #include "hw/hw.h" 27 #include "ui/console.h" 28 #include "hw/usb.h" 29 #include "desc.h" 30 #include "qapi/error.h" 31 #include "qemu/timer.h" 32 #include "hw/input/hid.h" 33 34 /* HID interface requests */ 35 #define GET_REPORT 0xa101 36 #define GET_IDLE 0xa102 37 #define GET_PROTOCOL 0xa103 38 #define SET_REPORT 0x2109 39 #define SET_IDLE 0x210a 40 #define SET_PROTOCOL 0x210b 41 42 /* HID descriptor types */ 43 #define USB_DT_HID 0x21 44 #define USB_DT_REPORT 0x22 45 #define USB_DT_PHY 0x23 46 47 typedef struct USBHIDState { 48 USBDevice dev; 49 USBEndpoint *intr; 50 HIDState hid; 51 uint32_t usb_version; 52 char *display; 53 uint32_t head; 54 } USBHIDState; 55 56 #define TYPE_USB_HID "usb-hid" 57 #define USB_HID(obj) OBJECT_CHECK(USBHIDState, (obj), TYPE_USB_HID) 58 59 enum { 60 STR_MANUFACTURER = 1, 61 STR_PRODUCT_MOUSE, 62 STR_PRODUCT_TABLET, 63 STR_PRODUCT_KEYBOARD, 64 STR_SERIAL_COMPAT, 65 STR_CONFIG_MOUSE, 66 STR_CONFIG_TABLET, 67 STR_CONFIG_KEYBOARD, 68 STR_SERIAL_MOUSE, 69 STR_SERIAL_TABLET, 70 STR_SERIAL_KEYBOARD, 71 }; 72 73 static const USBDescStrings desc_strings = { 74 [STR_MANUFACTURER] = "QEMU", 75 [STR_PRODUCT_MOUSE] = "QEMU USB Mouse", 76 [STR_PRODUCT_TABLET] = "QEMU USB Tablet", 77 [STR_PRODUCT_KEYBOARD] = "QEMU USB Keyboard", 78 [STR_SERIAL_COMPAT] = "42", 79 [STR_CONFIG_MOUSE] = "HID Mouse", 80 [STR_CONFIG_TABLET] = "HID Tablet", 81 [STR_CONFIG_KEYBOARD] = "HID Keyboard", 82 [STR_SERIAL_MOUSE] = "89126", 83 [STR_SERIAL_TABLET] = "28754", 84 [STR_SERIAL_KEYBOARD] = "68284", 85 }; 86 87 static const USBDescIface desc_iface_mouse = { 88 .bInterfaceNumber = 0, 89 .bNumEndpoints = 1, 90 .bInterfaceClass = USB_CLASS_HID, 91 .bInterfaceSubClass = 0x01, /* boot */ 92 .bInterfaceProtocol = 0x02, 93 .ndesc = 1, 94 .descs = (USBDescOther[]) { 95 { 96 /* HID descriptor */ 97 .data = (uint8_t[]) { 98 0x09, /* u8 bLength */ 99 USB_DT_HID, /* u8 bDescriptorType */ 100 0x01, 0x00, /* u16 HID_class */ 101 0x00, /* u8 country_code */ 102 0x01, /* u8 num_descriptors */ 103 USB_DT_REPORT, /* u8 type: Report */ 104 52, 0, /* u16 len */ 105 }, 106 }, 107 }, 108 .eps = (USBDescEndpoint[]) { 109 { 110 .bEndpointAddress = USB_DIR_IN | 0x01, 111 .bmAttributes = USB_ENDPOINT_XFER_INT, 112 .wMaxPacketSize = 4, 113 .bInterval = 0x0a, 114 }, 115 }, 116 }; 117 118 static const USBDescIface desc_iface_mouse2 = { 119 .bInterfaceNumber = 0, 120 .bNumEndpoints = 1, 121 .bInterfaceClass = USB_CLASS_HID, 122 .bInterfaceSubClass = 0x01, /* boot */ 123 .bInterfaceProtocol = 0x02, 124 .ndesc = 1, 125 .descs = (USBDescOther[]) { 126 { 127 /* HID descriptor */ 128 .data = (uint8_t[]) { 129 0x09, /* u8 bLength */ 130 USB_DT_HID, /* u8 bDescriptorType */ 131 0x01, 0x00, /* u16 HID_class */ 132 0x00, /* u8 country_code */ 133 0x01, /* u8 num_descriptors */ 134 USB_DT_REPORT, /* u8 type: Report */ 135 52, 0, /* u16 len */ 136 }, 137 }, 138 }, 139 .eps = (USBDescEndpoint[]) { 140 { 141 .bEndpointAddress = USB_DIR_IN | 0x01, 142 .bmAttributes = USB_ENDPOINT_XFER_INT, 143 .wMaxPacketSize = 4, 144 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 145 }, 146 }, 147 }; 148 149 static const USBDescIface desc_iface_tablet = { 150 .bInterfaceNumber = 0, 151 .bNumEndpoints = 1, 152 .bInterfaceClass = USB_CLASS_HID, 153 .bInterfaceProtocol = 0x00, 154 .ndesc = 1, 155 .descs = (USBDescOther[]) { 156 { 157 /* HID descriptor */ 158 .data = (uint8_t[]) { 159 0x09, /* u8 bLength */ 160 USB_DT_HID, /* u8 bDescriptorType */ 161 0x01, 0x00, /* u16 HID_class */ 162 0x00, /* u8 country_code */ 163 0x01, /* u8 num_descriptors */ 164 USB_DT_REPORT, /* u8 type: Report */ 165 74, 0, /* u16 len */ 166 }, 167 }, 168 }, 169 .eps = (USBDescEndpoint[]) { 170 { 171 .bEndpointAddress = USB_DIR_IN | 0x01, 172 .bmAttributes = USB_ENDPOINT_XFER_INT, 173 .wMaxPacketSize = 8, 174 .bInterval = 0x0a, 175 }, 176 }, 177 }; 178 179 static const USBDescIface desc_iface_tablet2 = { 180 .bInterfaceNumber = 0, 181 .bNumEndpoints = 1, 182 .bInterfaceClass = USB_CLASS_HID, 183 .bInterfaceProtocol = 0x00, 184 .ndesc = 1, 185 .descs = (USBDescOther[]) { 186 { 187 /* HID descriptor */ 188 .data = (uint8_t[]) { 189 0x09, /* u8 bLength */ 190 USB_DT_HID, /* u8 bDescriptorType */ 191 0x01, 0x00, /* u16 HID_class */ 192 0x00, /* u8 country_code */ 193 0x01, /* u8 num_descriptors */ 194 USB_DT_REPORT, /* u8 type: Report */ 195 74, 0, /* u16 len */ 196 }, 197 }, 198 }, 199 .eps = (USBDescEndpoint[]) { 200 { 201 .bEndpointAddress = USB_DIR_IN | 0x01, 202 .bmAttributes = USB_ENDPOINT_XFER_INT, 203 .wMaxPacketSize = 8, 204 .bInterval = 4, /* 2 ^ (4-1) * 125 usecs = 1 ms */ 205 }, 206 }, 207 }; 208 209 static const USBDescIface desc_iface_keyboard = { 210 .bInterfaceNumber = 0, 211 .bNumEndpoints = 1, 212 .bInterfaceClass = USB_CLASS_HID, 213 .bInterfaceSubClass = 0x01, /* boot */ 214 .bInterfaceProtocol = 0x01, /* keyboard */ 215 .ndesc = 1, 216 .descs = (USBDescOther[]) { 217 { 218 /* HID descriptor */ 219 .data = (uint8_t[]) { 220 0x09, /* u8 bLength */ 221 USB_DT_HID, /* u8 bDescriptorType */ 222 0x11, 0x01, /* u16 HID_class */ 223 0x00, /* u8 country_code */ 224 0x01, /* u8 num_descriptors */ 225 USB_DT_REPORT, /* u8 type: Report */ 226 0x3f, 0, /* u16 len */ 227 }, 228 }, 229 }, 230 .eps = (USBDescEndpoint[]) { 231 { 232 .bEndpointAddress = USB_DIR_IN | 0x01, 233 .bmAttributes = USB_ENDPOINT_XFER_INT, 234 .wMaxPacketSize = 8, 235 .bInterval = 0x0a, 236 }, 237 }, 238 }; 239 240 static const USBDescIface desc_iface_keyboard2 = { 241 .bInterfaceNumber = 0, 242 .bNumEndpoints = 1, 243 .bInterfaceClass = USB_CLASS_HID, 244 .bInterfaceSubClass = 0x01, /* boot */ 245 .bInterfaceProtocol = 0x01, /* keyboard */ 246 .ndesc = 1, 247 .descs = (USBDescOther[]) { 248 { 249 /* HID descriptor */ 250 .data = (uint8_t[]) { 251 0x09, /* u8 bLength */ 252 USB_DT_HID, /* u8 bDescriptorType */ 253 0x11, 0x01, /* u16 HID_class */ 254 0x00, /* u8 country_code */ 255 0x01, /* u8 num_descriptors */ 256 USB_DT_REPORT, /* u8 type: Report */ 257 0x3f, 0, /* u16 len */ 258 }, 259 }, 260 }, 261 .eps = (USBDescEndpoint[]) { 262 { 263 .bEndpointAddress = USB_DIR_IN | 0x01, 264 .bmAttributes = USB_ENDPOINT_XFER_INT, 265 .wMaxPacketSize = 8, 266 .bInterval = 7, /* 2 ^ (8-1) * 125 usecs = 8 ms */ 267 }, 268 }, 269 }; 270 271 static const USBDescDevice desc_device_mouse = { 272 .bcdUSB = 0x0100, 273 .bMaxPacketSize0 = 8, 274 .bNumConfigurations = 1, 275 .confs = (USBDescConfig[]) { 276 { 277 .bNumInterfaces = 1, 278 .bConfigurationValue = 1, 279 .iConfiguration = STR_CONFIG_MOUSE, 280 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 281 .bMaxPower = 50, 282 .nif = 1, 283 .ifs = &desc_iface_mouse, 284 }, 285 }, 286 }; 287 288 static const USBDescDevice desc_device_mouse2 = { 289 .bcdUSB = 0x0200, 290 .bMaxPacketSize0 = 64, 291 .bNumConfigurations = 1, 292 .confs = (USBDescConfig[]) { 293 { 294 .bNumInterfaces = 1, 295 .bConfigurationValue = 1, 296 .iConfiguration = STR_CONFIG_MOUSE, 297 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 298 .bMaxPower = 50, 299 .nif = 1, 300 .ifs = &desc_iface_mouse2, 301 }, 302 }, 303 }; 304 305 static const USBDescDevice desc_device_tablet = { 306 .bcdUSB = 0x0100, 307 .bMaxPacketSize0 = 8, 308 .bNumConfigurations = 1, 309 .confs = (USBDescConfig[]) { 310 { 311 .bNumInterfaces = 1, 312 .bConfigurationValue = 1, 313 .iConfiguration = STR_CONFIG_TABLET, 314 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 315 .bMaxPower = 50, 316 .nif = 1, 317 .ifs = &desc_iface_tablet, 318 }, 319 }, 320 }; 321 322 static const USBDescDevice desc_device_tablet2 = { 323 .bcdUSB = 0x0200, 324 .bMaxPacketSize0 = 64, 325 .bNumConfigurations = 1, 326 .confs = (USBDescConfig[]) { 327 { 328 .bNumInterfaces = 1, 329 .bConfigurationValue = 1, 330 .iConfiguration = STR_CONFIG_TABLET, 331 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 332 .bMaxPower = 50, 333 .nif = 1, 334 .ifs = &desc_iface_tablet2, 335 }, 336 }, 337 }; 338 339 static const USBDescDevice desc_device_keyboard = { 340 .bcdUSB = 0x0100, 341 .bMaxPacketSize0 = 8, 342 .bNumConfigurations = 1, 343 .confs = (USBDescConfig[]) { 344 { 345 .bNumInterfaces = 1, 346 .bConfigurationValue = 1, 347 .iConfiguration = STR_CONFIG_KEYBOARD, 348 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 349 .bMaxPower = 50, 350 .nif = 1, 351 .ifs = &desc_iface_keyboard, 352 }, 353 }, 354 }; 355 356 static const USBDescDevice desc_device_keyboard2 = { 357 .bcdUSB = 0x0200, 358 .bMaxPacketSize0 = 64, 359 .bNumConfigurations = 1, 360 .confs = (USBDescConfig[]) { 361 { 362 .bNumInterfaces = 1, 363 .bConfigurationValue = 1, 364 .iConfiguration = STR_CONFIG_KEYBOARD, 365 .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_WAKEUP, 366 .bMaxPower = 50, 367 .nif = 1, 368 .ifs = &desc_iface_keyboard2, 369 }, 370 }, 371 }; 372 373 static const USBDescMSOS desc_msos_suspend = { 374 .SelectiveSuspendEnabled = true, 375 }; 376 377 static const USBDesc desc_mouse = { 378 .id = { 379 .idVendor = 0x0627, 380 .idProduct = 0x0001, 381 .bcdDevice = 0, 382 .iManufacturer = STR_MANUFACTURER, 383 .iProduct = STR_PRODUCT_MOUSE, 384 .iSerialNumber = STR_SERIAL_MOUSE, 385 }, 386 .full = &desc_device_mouse, 387 .str = desc_strings, 388 .msos = &desc_msos_suspend, 389 }; 390 391 static const USBDesc desc_mouse2 = { 392 .id = { 393 .idVendor = 0x0627, 394 .idProduct = 0x0001, 395 .bcdDevice = 0, 396 .iManufacturer = STR_MANUFACTURER, 397 .iProduct = STR_PRODUCT_MOUSE, 398 .iSerialNumber = STR_SERIAL_MOUSE, 399 }, 400 .full = &desc_device_mouse, 401 .high = &desc_device_mouse2, 402 .str = desc_strings, 403 .msos = &desc_msos_suspend, 404 }; 405 406 static const USBDesc desc_tablet = { 407 .id = { 408 .idVendor = 0x0627, 409 .idProduct = 0x0001, 410 .bcdDevice = 0, 411 .iManufacturer = STR_MANUFACTURER, 412 .iProduct = STR_PRODUCT_TABLET, 413 .iSerialNumber = STR_SERIAL_TABLET, 414 }, 415 .full = &desc_device_tablet, 416 .str = desc_strings, 417 .msos = &desc_msos_suspend, 418 }; 419 420 static const USBDesc desc_tablet2 = { 421 .id = { 422 .idVendor = 0x0627, 423 .idProduct = 0x0001, 424 .bcdDevice = 0, 425 .iManufacturer = STR_MANUFACTURER, 426 .iProduct = STR_PRODUCT_TABLET, 427 .iSerialNumber = STR_SERIAL_TABLET, 428 }, 429 .full = &desc_device_tablet, 430 .high = &desc_device_tablet2, 431 .str = desc_strings, 432 .msos = &desc_msos_suspend, 433 }; 434 435 static const USBDesc desc_keyboard = { 436 .id = { 437 .idVendor = 0x0627, 438 .idProduct = 0x0001, 439 .bcdDevice = 0, 440 .iManufacturer = STR_MANUFACTURER, 441 .iProduct = STR_PRODUCT_KEYBOARD, 442 .iSerialNumber = STR_SERIAL_KEYBOARD, 443 }, 444 .full = &desc_device_keyboard, 445 .str = desc_strings, 446 .msos = &desc_msos_suspend, 447 }; 448 449 static const USBDesc desc_keyboard2 = { 450 .id = { 451 .idVendor = 0x0627, 452 .idProduct = 0x0001, 453 .bcdDevice = 0, 454 .iManufacturer = STR_MANUFACTURER, 455 .iProduct = STR_PRODUCT_KEYBOARD, 456 .iSerialNumber = STR_SERIAL_KEYBOARD, 457 }, 458 .full = &desc_device_keyboard, 459 .high = &desc_device_keyboard2, 460 .str = desc_strings, 461 .msos = &desc_msos_suspend, 462 }; 463 464 static const uint8_t qemu_mouse_hid_report_descriptor[] = { 465 0x05, 0x01, /* Usage Page (Generic Desktop) */ 466 0x09, 0x02, /* Usage (Mouse) */ 467 0xa1, 0x01, /* Collection (Application) */ 468 0x09, 0x01, /* Usage (Pointer) */ 469 0xa1, 0x00, /* Collection (Physical) */ 470 0x05, 0x09, /* Usage Page (Button) */ 471 0x19, 0x01, /* Usage Minimum (1) */ 472 0x29, 0x03, /* Usage Maximum (3) */ 473 0x15, 0x00, /* Logical Minimum (0) */ 474 0x25, 0x01, /* Logical Maximum (1) */ 475 0x95, 0x03, /* Report Count (3) */ 476 0x75, 0x01, /* Report Size (1) */ 477 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 478 0x95, 0x01, /* Report Count (1) */ 479 0x75, 0x05, /* Report Size (5) */ 480 0x81, 0x01, /* Input (Constant) */ 481 0x05, 0x01, /* Usage Page (Generic Desktop) */ 482 0x09, 0x30, /* Usage (X) */ 483 0x09, 0x31, /* Usage (Y) */ 484 0x09, 0x38, /* Usage (Wheel) */ 485 0x15, 0x81, /* Logical Minimum (-0x7f) */ 486 0x25, 0x7f, /* Logical Maximum (0x7f) */ 487 0x75, 0x08, /* Report Size (8) */ 488 0x95, 0x03, /* Report Count (3) */ 489 0x81, 0x06, /* Input (Data, Variable, Relative) */ 490 0xc0, /* End Collection */ 491 0xc0, /* End Collection */ 492 }; 493 494 static const uint8_t qemu_tablet_hid_report_descriptor[] = { 495 0x05, 0x01, /* Usage Page (Generic Desktop) */ 496 0x09, 0x02, /* Usage (Mouse) */ 497 0xa1, 0x01, /* Collection (Application) */ 498 0x09, 0x01, /* Usage (Pointer) */ 499 0xa1, 0x00, /* Collection (Physical) */ 500 0x05, 0x09, /* Usage Page (Button) */ 501 0x19, 0x01, /* Usage Minimum (1) */ 502 0x29, 0x03, /* Usage Maximum (3) */ 503 0x15, 0x00, /* Logical Minimum (0) */ 504 0x25, 0x01, /* Logical Maximum (1) */ 505 0x95, 0x03, /* Report Count (3) */ 506 0x75, 0x01, /* Report Size (1) */ 507 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 508 0x95, 0x01, /* Report Count (1) */ 509 0x75, 0x05, /* Report Size (5) */ 510 0x81, 0x01, /* Input (Constant) */ 511 0x05, 0x01, /* Usage Page (Generic Desktop) */ 512 0x09, 0x30, /* Usage (X) */ 513 0x09, 0x31, /* Usage (Y) */ 514 0x15, 0x00, /* Logical Minimum (0) */ 515 0x26, 0xff, 0x7f, /* Logical Maximum (0x7fff) */ 516 0x35, 0x00, /* Physical Minimum (0) */ 517 0x46, 0xff, 0x7f, /* Physical Maximum (0x7fff) */ 518 0x75, 0x10, /* Report Size (16) */ 519 0x95, 0x02, /* Report Count (2) */ 520 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 521 0x05, 0x01, /* Usage Page (Generic Desktop) */ 522 0x09, 0x38, /* Usage (Wheel) */ 523 0x15, 0x81, /* Logical Minimum (-0x7f) */ 524 0x25, 0x7f, /* Logical Maximum (0x7f) */ 525 0x35, 0x00, /* Physical Minimum (same as logical) */ 526 0x45, 0x00, /* Physical Maximum (same as logical) */ 527 0x75, 0x08, /* Report Size (8) */ 528 0x95, 0x01, /* Report Count (1) */ 529 0x81, 0x06, /* Input (Data, Variable, Relative) */ 530 0xc0, /* End Collection */ 531 0xc0, /* End Collection */ 532 }; 533 534 static const uint8_t qemu_keyboard_hid_report_descriptor[] = { 535 0x05, 0x01, /* Usage Page (Generic Desktop) */ 536 0x09, 0x06, /* Usage (Keyboard) */ 537 0xa1, 0x01, /* Collection (Application) */ 538 0x75, 0x01, /* Report Size (1) */ 539 0x95, 0x08, /* Report Count (8) */ 540 0x05, 0x07, /* Usage Page (Key Codes) */ 541 0x19, 0xe0, /* Usage Minimum (224) */ 542 0x29, 0xe7, /* Usage Maximum (231) */ 543 0x15, 0x00, /* Logical Minimum (0) */ 544 0x25, 0x01, /* Logical Maximum (1) */ 545 0x81, 0x02, /* Input (Data, Variable, Absolute) */ 546 0x95, 0x01, /* Report Count (1) */ 547 0x75, 0x08, /* Report Size (8) */ 548 0x81, 0x01, /* Input (Constant) */ 549 0x95, 0x05, /* Report Count (5) */ 550 0x75, 0x01, /* Report Size (1) */ 551 0x05, 0x08, /* Usage Page (LEDs) */ 552 0x19, 0x01, /* Usage Minimum (1) */ 553 0x29, 0x05, /* Usage Maximum (5) */ 554 0x91, 0x02, /* Output (Data, Variable, Absolute) */ 555 0x95, 0x01, /* Report Count (1) */ 556 0x75, 0x03, /* Report Size (3) */ 557 0x91, 0x01, /* Output (Constant) */ 558 0x95, 0x06, /* Report Count (6) */ 559 0x75, 0x08, /* Report Size (8) */ 560 0x15, 0x00, /* Logical Minimum (0) */ 561 0x25, 0xff, /* Logical Maximum (255) */ 562 0x05, 0x07, /* Usage Page (Key Codes) */ 563 0x19, 0x00, /* Usage Minimum (0) */ 564 0x29, 0xff, /* Usage Maximum (255) */ 565 0x81, 0x00, /* Input (Data, Array) */ 566 0xc0, /* End Collection */ 567 }; 568 569 static void usb_hid_changed(HIDState *hs) 570 { 571 USBHIDState *us = container_of(hs, USBHIDState, hid); 572 573 usb_wakeup(us->intr, 0); 574 } 575 576 static void usb_hid_handle_reset(USBDevice *dev) 577 { 578 USBHIDState *us = USB_HID(dev); 579 580 hid_reset(&us->hid); 581 } 582 583 static void usb_hid_handle_control(USBDevice *dev, USBPacket *p, 584 int request, int value, int index, int length, uint8_t *data) 585 { 586 USBHIDState *us = USB_HID(dev); 587 HIDState *hs = &us->hid; 588 int ret; 589 590 ret = usb_desc_handle_control(dev, p, request, value, index, length, data); 591 if (ret >= 0) { 592 return; 593 } 594 595 switch (request) { 596 /* hid specific requests */ 597 case InterfaceRequest | USB_REQ_GET_DESCRIPTOR: 598 switch (value >> 8) { 599 case 0x22: 600 if (hs->kind == HID_MOUSE) { 601 memcpy(data, qemu_mouse_hid_report_descriptor, 602 sizeof(qemu_mouse_hid_report_descriptor)); 603 p->actual_length = sizeof(qemu_mouse_hid_report_descriptor); 604 } else if (hs->kind == HID_TABLET) { 605 memcpy(data, qemu_tablet_hid_report_descriptor, 606 sizeof(qemu_tablet_hid_report_descriptor)); 607 p->actual_length = sizeof(qemu_tablet_hid_report_descriptor); 608 } else if (hs->kind == HID_KEYBOARD) { 609 memcpy(data, qemu_keyboard_hid_report_descriptor, 610 sizeof(qemu_keyboard_hid_report_descriptor)); 611 p->actual_length = sizeof(qemu_keyboard_hid_report_descriptor); 612 } 613 break; 614 default: 615 goto fail; 616 } 617 break; 618 case GET_REPORT: 619 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 620 p->actual_length = hid_pointer_poll(hs, data, length); 621 } else if (hs->kind == HID_KEYBOARD) { 622 p->actual_length = hid_keyboard_poll(hs, data, length); 623 } 624 break; 625 case SET_REPORT: 626 if (hs->kind == HID_KEYBOARD) { 627 p->actual_length = hid_keyboard_write(hs, data, length); 628 } else { 629 goto fail; 630 } 631 break; 632 case GET_PROTOCOL: 633 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 634 goto fail; 635 } 636 data[0] = hs->protocol; 637 p->actual_length = 1; 638 break; 639 case SET_PROTOCOL: 640 if (hs->kind != HID_KEYBOARD && hs->kind != HID_MOUSE) { 641 goto fail; 642 } 643 hs->protocol = value; 644 break; 645 case GET_IDLE: 646 data[0] = hs->idle; 647 p->actual_length = 1; 648 break; 649 case SET_IDLE: 650 hs->idle = (uint8_t) (value >> 8); 651 hid_set_next_idle(hs); 652 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 653 hid_pointer_activate(hs); 654 } 655 break; 656 default: 657 fail: 658 p->status = USB_RET_STALL; 659 break; 660 } 661 } 662 663 static void usb_hid_handle_data(USBDevice *dev, USBPacket *p) 664 { 665 USBHIDState *us = USB_HID(dev); 666 HIDState *hs = &us->hid; 667 uint8_t buf[p->iov.size]; 668 int len = 0; 669 670 switch (p->pid) { 671 case USB_TOKEN_IN: 672 if (p->ep->nr == 1) { 673 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 674 hid_pointer_activate(hs); 675 } 676 if (!hid_has_events(hs)) { 677 p->status = USB_RET_NAK; 678 return; 679 } 680 hid_set_next_idle(hs); 681 if (hs->kind == HID_MOUSE || hs->kind == HID_TABLET) { 682 len = hid_pointer_poll(hs, buf, p->iov.size); 683 } else if (hs->kind == HID_KEYBOARD) { 684 len = hid_keyboard_poll(hs, buf, p->iov.size); 685 } 686 usb_packet_copy(p, buf, len); 687 } else { 688 goto fail; 689 } 690 break; 691 case USB_TOKEN_OUT: 692 default: 693 fail: 694 p->status = USB_RET_STALL; 695 break; 696 } 697 } 698 699 static void usb_hid_unrealize(USBDevice *dev, Error **errp) 700 { 701 USBHIDState *us = USB_HID(dev); 702 703 hid_free(&us->hid); 704 } 705 706 static void usb_hid_initfn(USBDevice *dev, int kind, 707 const USBDesc *usb1, const USBDesc *usb2, 708 Error **errp) 709 { 710 USBHIDState *us = USB_HID(dev); 711 switch (us->usb_version) { 712 case 1: 713 dev->usb_desc = usb1; 714 break; 715 case 2: 716 dev->usb_desc = usb2; 717 break; 718 default: 719 dev->usb_desc = NULL; 720 } 721 if (!dev->usb_desc) { 722 error_setg(errp, "Invalid usb version %d for usb hid device", 723 us->usb_version); 724 return; 725 } 726 727 usb_desc_create_serial(dev); 728 usb_desc_init(dev); 729 us->intr = usb_ep_get(dev, USB_TOKEN_IN, 1); 730 hid_init(&us->hid, kind, usb_hid_changed); 731 if (us->display && us->hid.s) { 732 qemu_input_handler_bind(us->hid.s, us->display, us->head, NULL); 733 } 734 } 735 736 static void usb_tablet_realize(USBDevice *dev, Error **errp) 737 { 738 739 usb_hid_initfn(dev, HID_TABLET, &desc_tablet, &desc_tablet2, errp); 740 } 741 742 static void usb_mouse_realize(USBDevice *dev, Error **errp) 743 { 744 usb_hid_initfn(dev, HID_MOUSE, &desc_mouse, &desc_mouse2, errp); 745 } 746 747 static void usb_keyboard_realize(USBDevice *dev, Error **errp) 748 { 749 usb_hid_initfn(dev, HID_KEYBOARD, &desc_keyboard, &desc_keyboard2, errp); 750 } 751 752 static int usb_ptr_post_load(void *opaque, int version_id) 753 { 754 USBHIDState *s = opaque; 755 756 if (s->dev.remote_wakeup) { 757 hid_pointer_activate(&s->hid); 758 } 759 return 0; 760 } 761 762 static const VMStateDescription vmstate_usb_ptr = { 763 .name = "usb-ptr", 764 .version_id = 1, 765 .minimum_version_id = 1, 766 .post_load = usb_ptr_post_load, 767 .fields = (VMStateField[]) { 768 VMSTATE_USB_DEVICE(dev, USBHIDState), 769 VMSTATE_HID_POINTER_DEVICE(hid, USBHIDState), 770 VMSTATE_END_OF_LIST() 771 } 772 }; 773 774 static const VMStateDescription vmstate_usb_kbd = { 775 .name = "usb-kbd", 776 .version_id = 1, 777 .minimum_version_id = 1, 778 .fields = (VMStateField[]) { 779 VMSTATE_USB_DEVICE(dev, USBHIDState), 780 VMSTATE_HID_KEYBOARD_DEVICE(hid, USBHIDState), 781 VMSTATE_END_OF_LIST() 782 } 783 }; 784 785 static void usb_hid_class_initfn(ObjectClass *klass, void *data) 786 { 787 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 788 789 uc->handle_reset = usb_hid_handle_reset; 790 uc->handle_control = usb_hid_handle_control; 791 uc->handle_data = usb_hid_handle_data; 792 uc->unrealize = usb_hid_unrealize; 793 uc->handle_attach = usb_desc_attach; 794 } 795 796 static const TypeInfo usb_hid_type_info = { 797 .name = TYPE_USB_HID, 798 .parent = TYPE_USB_DEVICE, 799 .instance_size = sizeof(USBHIDState), 800 .abstract = true, 801 .class_init = usb_hid_class_initfn, 802 }; 803 804 static Property usb_tablet_properties[] = { 805 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 806 DEFINE_PROP_STRING("display", USBHIDState, display), 807 DEFINE_PROP_UINT32("head", USBHIDState, head, 0), 808 DEFINE_PROP_END_OF_LIST(), 809 }; 810 811 static void usb_tablet_class_initfn(ObjectClass *klass, void *data) 812 { 813 DeviceClass *dc = DEVICE_CLASS(klass); 814 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 815 816 uc->realize = usb_tablet_realize; 817 uc->product_desc = "QEMU USB Tablet"; 818 dc->vmsd = &vmstate_usb_ptr; 819 dc->props = usb_tablet_properties; 820 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 821 } 822 823 static const TypeInfo usb_tablet_info = { 824 .name = "usb-tablet", 825 .parent = TYPE_USB_HID, 826 .class_init = usb_tablet_class_initfn, 827 }; 828 829 static Property usb_mouse_properties[] = { 830 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 831 DEFINE_PROP_END_OF_LIST(), 832 }; 833 834 static void usb_mouse_class_initfn(ObjectClass *klass, void *data) 835 { 836 DeviceClass *dc = DEVICE_CLASS(klass); 837 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 838 839 uc->realize = usb_mouse_realize; 840 uc->product_desc = "QEMU USB Mouse"; 841 dc->vmsd = &vmstate_usb_ptr; 842 dc->props = usb_mouse_properties; 843 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 844 } 845 846 static const TypeInfo usb_mouse_info = { 847 .name = "usb-mouse", 848 .parent = TYPE_USB_HID, 849 .class_init = usb_mouse_class_initfn, 850 }; 851 852 static Property usb_keyboard_properties[] = { 853 DEFINE_PROP_UINT32("usb_version", USBHIDState, usb_version, 2), 854 DEFINE_PROP_STRING("display", USBHIDState, display), 855 DEFINE_PROP_END_OF_LIST(), 856 }; 857 858 static void usb_keyboard_class_initfn(ObjectClass *klass, void *data) 859 { 860 DeviceClass *dc = DEVICE_CLASS(klass); 861 USBDeviceClass *uc = USB_DEVICE_CLASS(klass); 862 863 uc->realize = usb_keyboard_realize; 864 uc->product_desc = "QEMU USB Keyboard"; 865 dc->vmsd = &vmstate_usb_kbd; 866 dc->props = usb_keyboard_properties; 867 set_bit(DEVICE_CATEGORY_INPUT, dc->categories); 868 } 869 870 static const TypeInfo usb_keyboard_info = { 871 .name = "usb-kbd", 872 .parent = TYPE_USB_HID, 873 .class_init = usb_keyboard_class_initfn, 874 }; 875 876 static void usb_hid_register_types(void) 877 { 878 type_register_static(&usb_hid_type_info); 879 type_register_static(&usb_tablet_info); 880 usb_legacy_register("usb-tablet", "tablet", NULL); 881 type_register_static(&usb_mouse_info); 882 usb_legacy_register("usb-mouse", "mouse", NULL); 883 type_register_static(&usb_keyboard_info); 884 usb_legacy_register("usb-kbd", "keyboard", NULL); 885 } 886 887 type_init(usb_hid_register_types) 888